Model: 2533A1-3

Safety Relief Valve

Properties:

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Valve Discharge Flow Rate

8.0 gallons per minute

Connection Style

G46a plain (tube) all ends

Connection Type

Threaded external tube 1st end

Features Provided

Pressure tight outlet side

Thready Qty Per Inch (tpi)

16 1st end

Maximum Operating Pressure

75.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Opening Pressure Setting

57.0 pounds per square inch

Outside Diameter Tube Accommodated

0.500 inches 1st end

Material

Aluminum alloy body

Material

Aluminum alloy seat

Media For Which Designed

Hydraulic fluid, phosphate-ester base single response

Surface Treatment

Anodize

Thread Series Designator

Unf 1st end

NSN

4820-00-889-8228

Part Number

2533A1-3

Description

Valve,safety Relief

CAGE

09790

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 2533A1-3 NSN 4820-00-889-8228

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves